1952 in paleobotany

none 1952 paleobotany paleontology science This paleobotany list records new fossil plant taxa that were to be described during the year 1952, as well as notes other significant paleobotany discoveries and events which occurred during 1952. Mosses Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesArchaeomnium arnoldianumLaMotte R.S. 1952 Catalogue of the Cenozoic plants of North America through 1950 Geological Society of America Memoirs Geological Society of America 51 10.1130/MEM51Comb novjr synonym(Steere) LaMotteMiocene"Carter Creek"United StatesOregonA moss. Moved from Palaeohypnum arnoldianum (1947) Moved to Hypnites arnoldianum in 1980Miller N. G. 1980 Fossil mosses of North America and their significance The Mosses of North America 9–36Archaeomnium brittoniaeComb novjr synonym(Steere) LaMotteMioceneLatah FormationUnited StatesWashingtonA moss. Moved from Palaeohypnum brittoniae (1947) Moved to Hypnites brittoniae in 1980Archaeomnium browniiComb novjr synonym(Kirchner) LaMotteEocenePriabonianFlorissant FormationUnited StatesColoradoA moss. Moved from Palaeohypnum brownii (1947) First named Hypnum brownii (1898) Moved to Hypnites brownii in 1980Archaeomnium knowltoniComb novjr synonym(E. G. Britton) LaMotteEoceneRoslyn FormationUnited StatesWashingtonA moss. Moved from Palaeohypnum knowltoni (1947) First named Rhynchostegium knowltoni (1899) Moved to Hypnites knowltoni in 1980 Ferns Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesAthyrium crossiiComb nov(Knowlton) LaMottePaleoceneDenver FormationUnited StatesColoradoDiplaiium mulleri (1874)A lady fern species. Moved from Diplazium crossii (1930) First named Asplenium (Diplaiium) crossii (1890)Cyathea branneriComb nov(Hollick & Berry) LaMotte"Tertiary"BrazilA tree fern species. Moved from Hemitelia branneri (1924)Cyathea pinnataComb novjr synonym(MacGinitie) LaMotteEoceneIone FormationUnited StatesCaliforniaA tree fern species. Moved from Hemitelia pinnata (1941) Synonymized into Cyathea inequilateralis in 1977Wolfe J.A. 1977 Paleogene floras from the Gulf of Alaska region Professional Paper United States Geological Survey 997 1–108 10.3133/pp997 free thumb|center|upright|Cyathea inequilateralisDryopteris claibornianaComb nov(Berry) LaMotteEoceneYegua FormationUnited StatesLouisianaA wood fern species Moved from Goniopteris claiborniana (1917)Dryopteris escheriComb nov(Heer) LaMotteMioceneSwitzerlandA wood fern species Moved from Aspidium escheri (1855)Dryopteris guyottiiComb nov(Lesquereux) LaMotteEocenePriabonianFlorissant FormationUnited StatesColoradoA wood fern species Moved from Phegopteris guyottii (1908) First named Sphenopteris guyottii (1883) Dryopteris heeriiComb nov(Ettingshausen) LaMotteA wood fern species Moved from Aspidium heerii (1865) Dryopteris lesquereuxiComb nov(Berry) LaMotteEoceneLysite FormationUnited StatesWyoming true synonymy Lastrea (Goniopteris) fischeri (1883) pro part Lastrea (Goniopteris) knightiana (1883) nomen nudumA wood fern species Moved from Goniopteris lesquereuxi (1932) Dryopteris ursinumComb nov(Unger) LaMotteMioceneSwitzerlandA wood fern species Moved from Lastrea (Phegopteris) stiriaca (1855) Dryopteris ursinumComb nov(Heer) LaMottePaleoceneGreenlandA wood fern species Moved from Aspidium ursinum (1869) Cycadophytes Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesCtenis hamiltonensisComb nov(Hollick) LaMottePaleocene/Eocene"Hamilton Bay flora"USAAlaskaA Ctenis species. Moved from Anthrophyopsis hamiltonensis (1936)Hollick A. Smith P. 1936 The Tertiary floras of Alaska, with a chapter on the geology of the Tertiary deposits Professional Paper United States Geological Survey 1–185 182 10.3133/pp182Zamites pollardiComb nov(Hollick) LaMottePaleoceneFort Union FormationUSAWyomingA Zamites species morphospecies. Moved from Magnolia (?) pollardi (1899) Conifers Cupressaceae Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesCallitris helveticaComb nov(Heer) LaMotteMioceneSwitzerlandA Callitris species. Moved from Widdringtonia helvetica (1855)Juniperus linguaefoliaComb nov(Lesquereux) LaMotteEocenePriabonianFlorissant FormationUSAColoradoA juniper species.Moved from Sabina linguaefolia (1908)First described as Widdringtonia linguaefolia (1883)Thuja naujaticaComb et sp nom nov(Heer) LaMottePaleoceneDenmarkGreenlandA hiba species.New species name for Thujopsis gracilis (1920)First described as Thuja (Thujopsis) gracilis (Heer) (1883) Flowering plants Nymphales Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesNymphaea leeiComb nov(Knowlton) LaMottePaleoceneRaton FormationUSAColoradoA waterlily species First described as Castalia leei (1917) Nymphaea pulchellaComb nov(Knowlton) LaMottePaleoceneDawson ArkoseUSAColoradoA waterlily species First described as Castalia pulchella (1930) Magnoliids Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesBeilschmiedia portoricensisComb nov(Hollick) LaMotteMioceneCollazo ShaleUSAPuerto RicoA Beilschmiedia species. Moved from Hufetandta portoricensis (1928) First named Aniba portoricensis (1928)Laurophyllum grandisComb nov(Lesquereux) LaMotteMioceneNeroly FormationUSACalifornia true synonymy Laurus fremontensis (1930) Laurophyllum fremontensis (1941)A lauraceous species. Moved from Laurus grandis (1883)Lindera antiquaComb nov(Heer) LaMotteMioceneSwitzerlandA spicewood species First described as Benzoin antiquum (1856) Lindera dilleriComb nov(Knowlton) LaMotteMioceneUSAOregonA spicewood species First described as Benzoin dilleri (1900) Litsea lamarensisComb nov(Knowlton) LaMotteEoceneUSAWyomingA Litsea species First described as Malapoenna lamarensis (1899) Litsea lataComb novjr synonym(MacGinitie) LaMotteEoceneIone FormationUSACaliforniaA lauraceous relative First described as Neolitsea lata (1941) Moved to Cinnamomophyllum latum in 1977thumb|center|upright|Cinnamomophyllum latumLitsea praecursoriaComb nov(Lesquereux) LaMottePaleoceneFort Union FormationUSANorth DakotaA lauraceous relative First described as Tetranthera praecursoria (1883)Litsea sagittataComb nov(Ball) LaMotteEoceneWilcox FormationUSATexasA Litsea species First described as Malapoenna sagittata (1939) Litsea sessilifloraComb nov(Lesquereux) LaMotteEoceneWilcox FormationUSATexasTetranthera sessiliflora (1878)A Litsea speciesMoved from Malapoenna sessiliflora (1898) First described as Laurus sessiliflora (1874) Litsea texensisComb nov(Ball) LaMotteEoceneIndio FormationUSATexasA Litsea species First described as Malapoenna sagittata (1931) Ocotea aliaSp nom novLaMotteEoceneWilcox FormationUSAArkansasAndromeda delicatida(of Hollick, 1899)An Ocotea species A replacement name for Mespilodaphne coushatta (Berry, 1916) (1916) Ocotea athenensisComb nov(Ball) LaMotteEoceneWilcox FormationUSATexasAn Ocotea species Moved from Mespilodaphne athenensis (1939)Ocotea attenuataComb nov(Ball) LaMotteEoceneWilcox FormationUSATexasAn Ocotea species Moved from Mespilodaphne attenuata (1939)Ocotea berryanaSp nom novLaMotteEoceneLagrange FormationUSATennesseeAn Ocotea species A replacement name for Mespilodaphne puryearensis (Berry, 1916) (1916) Ocotea brazosensisComb nov(Ball) LaMotteEoceneFayette FormationUSATexasAn Ocotea species Moved from Oreodaphne brazosensis (1924)Ocotea caudataComb nov(Berry) LaMotteEoceneMount Selman FormationUSATexasAn Ocotea species Moved from Mespilodaphne caudata (1924) Includes one subspecies moved from M. c. majorOcotea collazoensisComb nov(Hollick) LaMotteMioceneCollazo ShalesUSAPuerto RicoAn Ocotea species Moved from Aniba collazoensis (1928) Ocotea coloradensisComb nov(Brown) LaMotteEoceneGreen River FormationUSAColoradoAn Ocotea species Moved from Oreodaphne coloradensis (1934) Ocotea columbianaComb nov(Hollick) LaMotteEoceneLisbon FormationUSAMississippiAn Ocotea species Moved from Mespilodaphne columbiana (1924) Ocotea coushattaComb nov(Berry) LaMotteEoceneWilcox FormationUSALouisianaTetrantkera praecursoria(of Hollick, 1899)An Ocotea species Moved from Oreodaphne coushatta (1916) Ocotea culebrensisComb nov(Berry) LaMotteOligoceneCulebra FormationPanamaAn Ocotea species Moved from Mespilodaphne columbiana (1924) Ocotea eoligniticaComb nov(Hollick) LaMotteEoceneUSALouisianaAn Ocotea species Moved from Mespilodaphne eolignitica (1916) First named Andromeda eolignitica (1899) Ocotea hispanioianaComb nov(Berry) LaMotteMioceneArbitonite GroupHaitiAn Ocotea species Moved from Mespilodaphne hispanioiana (1922) Ocotea inequilateralisComb nov(Berry) LaMotteEoceneGosport FormationUSAAlabamaAn Ocotea species Moved from Mespilodaphne inequilateralis (1924) Ocotea intermediaComb nov(Berry) LaMotteEoceneHolly Springs FormationUSATennesseeAn Ocotea species Moved from Mespilodaphne intermedia (1930) Ocotea lancifoliaComb nov(Lesquereux) LaMotteEoceneYpresianHolly Springs FormationUSATennesseeOreodaphne knowltoni (1929)An Ocotea species Moved from Oreodaphne lancifolia (1934) First described as Sapindus lancifolius (1883)Ocotea lithaeformisComb nov(Lesquereux) LaMotteUSACaliforniaOreodaphne heerii (1888)An Ocotea species Moved from Mespilodaphne lithaeformis (1888)Ocotea mississippiensisComb nov(Berry) LaMotteEoceneHolly Springs FormationUSAMississippiLaurus primigenia (of Hollick)An Ocotea species Moved from Mespilodaphne lithaeformis (1916)Ocotea obtusifoliaComb nov(Berry) LaMotteEoceneHolly Springs FormationUSAMississippiCinnamomum sezannense (of Hollick 1899)An Ocotea species Moved from Oreodaphne obtusifolia (1916)Ocotea pagosensisComb nov(Hollick) LaMottePaleoceneAnimas FormationUSAColoradoAn Ocotea species Moved from Oreodaphne pagosensis (1924)Ocotea palomarensisComb nov(Berry) LaMotteMioceneMexicoOaxacaAn Ocotea species Moved from Mespilodaphne obtusifolia (1923)Ocotea perseaformisComb nov(Ball) LaMotteEoceneIndio FormationUSATexasAn Ocotea species Moved from Oreodaphne perseaformis (1939)Ocotea praefractaComb nov(Ball) LaMotteEoceneWilcox FormationUSATexasAn Ocotea species Moved from Oreodaphne praefracta (1939)Ocotea precoushattaComb nov(Berry) LaMotteEoceneIndio FormationUSATexasAn Ocotea species Moved from Mespilodaphne perseaformis (1924)Ocotea pseudoglaucaComb nov(Berry) LaMotteEoceneWilcox FormationUSALouisiana true synonymy Laurus californica pro part (1888) Laurus socialis pro part (1888)An Ocotea species Moved from Mespilodaphne pseudoglauca (1916) Ocotea pseudoguianensisComb nov(Berry) LaMotteEoceneWilcox FormationUSALouisianaAn Ocotea species Moved from Mespilodaphne pseudoguianensis (1916) Ocotea puryearensisComb nov(Berry) LaMotteEoceneAckerman FormationUSAMississippiAn Ocotea species Moved from Oreodaphne pseudoguianensis (1916) Ocotea (?) ratonensisComb nov(Hollick) LaMottePaleoceneRaton FormationUSAColoradoAn Ocotea species Moved from Oreodaphne (?) ratonensis (1917) Ocotea ripariafoliaComb nov(Berry) LaMotteMioceneForest Clay FormationTrinidad and TobagoTrinidadAn Ocotea species Moved from Aniba ripariafolia (1937) Ocotea salinensisComb nov(Berry) LaMotteEoceneWilcox FormationUSAArkansasAn Ocotea species Moved from Oreodaphne salinensis (1916)Ocotea tertiariaComb nov(Berry) LaMotteCosta RicaAn Ocotea species Moved from Goeppertia tertiaria (1921) Ocotea texana (Berry)Comb novHomonym(Berry) LaMotteEoceneFayette FormationUSATexasAn Ocotea species Moved from Mespilodaphne texana (1924) Homonym with Ocotea texana (Ball)Ocotea texana (Ball)Comb novHomonym(Ball) LaMotteEoceneIndio FormationUSATexasAn Ocotea species Moved from Oreodaphne texana (1931) Homonym with Ocotea texana (Berry)Ocotea viridiflumensisComb nov(Knowlton) LaMotteEoceneGreen River FormationUSAColoradoAn Ocotea species Moved from Oreodaphne coloradensis (1923) Ocotea wilcoxensisComb nov(Berry) LaMotteEoceneWilcox FormationUSATennesseeAn Ocotea species Moved from Oreodaphne wilcoxensis (1916)Sassafras quilchenensisSp nom novLaMotteEoceneYpresianEocene Okanagan HighlandsColdwater BedsCanadaBritish ColumbiaA Sassafras species A new name for Sassafras cretaceum (Penhallow) (1906)Umbellularia saliciformisComb nov(Knowlton & Cockerell) LaMotteMioceneNeroly FormationUSACalifornia true synonymy Laurus similis (of Berry 1929) Leguminosites bonseri (1929) Quercus simulata (of Berry 1929) Umbellularia dayana (1937) Umbellularia oregonensis (1930) Umbellularia salicifolia (1939)A California bay species Moved from Laurus saliciformis (1919) First named Laurus salicifolia (Lesquereux) (1883) L. salicifolia a jr homonym of Laurus salicifolia (Banks & Solander) Monocots Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesCyperacites islandicusComb nov(Heer) LaMottePaleoceneIcelandA Cyperacites morphospecies Moved from Cyperites islandicus (1868)ExflabellariaGen et 4 comb novJr synonymLaMotteA palm leaf morphogenusReplacement genus for the homonym Flabellaria (Sternberg) (1822) Jr synonym of Palmacites Contained Flabellaria alaskana, F. groenlandica, F. johnstrupi, & F. lataniaPotamogeton orbusSp nom novLaMotteMioceneLatah FormationUSAWashingtonA possible pond weed species New name for referred "Potamogeton heterophylloides" fossils P. heterophylloides type specimens moved to Keteleeria heterophylloides (1940) Basal eudicots Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesNelumbium crossiiComb nov(Knowlton) LaMottePaleoceneArapahoe FormationUSAColoradoA lotus relative. Moved from Nelumbo crossii (1930)Nelumbium protoluteaComb nov(Berry) LaMotteEoceneWilcox FormationUSAMississippiNelumbo tenuifolia(of Berry, 1935)A lotus relative. Moved from (1949)Nelumbites protoluteus First named Nelumbo protolutea (1917) Core Eudicots Superasterids Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesAchras agnitionalisComb nov(Hollick) LaMotteMioceneCollazo ShaleUSAPuerto RicoA Manilkara species. Moved from Sapota agnitionalis (1928)Arbutus xalapoldes Sp nom novLaMottePlioceneUSACaliforniaA madrone. New name for "Arbutus prexalapensis" (1950) madrone fossils Type material of A. prexalapensis moved to other speciesArdisia prepaniculataComb nov(Berry) LaMotteEoceneWilcox FormationUSATennesseeA marlberry species. Moved from Icacorea prepaniculata (1916)Ardisia priscaComb nov(Hollick) LaMotteMioceneCollazo ShaleUSAPuerto RicoA marlberry species. Moved from Icacorea prisca (1924)Asclepias fructiferComb nov(Cockerell) LaMotteEocenePriabonianFlorissant FormationUSAColoradoA milkweed species. Moved from Acerates fructifer (1908)Asclepias veteranaComb nov(Heer) LaMotteMioceneSwitzerlandA milkweed species. Moved from Acerates veterana (1859)Asclepias wilcoxianaComb nov(Berry) LaMotteEoceneWilcox FormationUSATennesseeA milkweed species. Moved from Acerates wilcoxiana (1930)Coccoloba chapiniComb nov(Hollick) LaMottePaleocene/EoceneMatanuska coal fieldUSAAlaskaA Coccoloba species. Moved from Coccolobis chapini (1936)Coccoloba claibornensisComb nov(Berry) LaMotteEoceneGosport FormationUSAAlabamaA Coccoloba species. Moved from Coccolobis claibornensis (1924)Coccoloba columbianusComb nov(Berry) LaMotteEoceneYegua FormationUSALouisianaA Coccoloba species. Moved from Coccolobis columbianus (1924)Coccoloba eoligniticaComb nov(Berry) LaMotteEoceneLagrange FormationUSATennesseeA Coccoloba species. Moved from Coccolobis columbianus (1916)Coccoloba uviferafoliaComb nov(Berry) LaMotteEoceneLagrange FormationUSATennesseeA Coccoloba species. Moved from Coccolobis uviferafolia (1916)Cryptantha auriculataComb nov(Elias) LaMottePlioceneOgallala FormationUSAKansasA Cryptantha species. Moved from Krynitikia auriculata (1932)Cryptantha chaneyiComb nov(Elias) LaMottePlioceneOgallala FormationUSAKansasA Cryptantha species. Moved from Krynitzkia (Oreocarya) chaneyi (1932)Cryptantha coroniformisComb nov(Elias) LaMottePlioceneOgallala FormationUSAKansasA Cryptantha species. Moved from Krynitzkia (Oreocarya) coroniformis (1932)Gonolobus (?) trinervatusComb nov(MacGinitie) LaMotteMioceneTrout Creek FloraUSAOregonAn asclepiadoid milkweed family species Moved from Vincetoxicum (?) trinervata (1933)Halesia inopinumComb nov(Hollick) LaMottePaleoceneBerg lake FormationUSAAlaskaA snowdrop tree species Moved from Mohrodendron inopinum (1936)Leiophyllum pleistocenicumComb nov(Berry) LaMottePleistoceneUSANorth CarolinaA sandmyrtle species First described as Dendrium pleistocenicum (1907)Viburnum comstockiComb nov(Sanborn) LaMotteEoceneUSAOregon true synonymy Aralia taurinensis (pro part of Sanborn 1935) Diospyros orientalis (1935) Viburnum variabilis (1941)A Viburnum species First described as Mallotus comstocki (1935) Superrosids Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesAcer (Negundo) decurrensComb nov(Lesquereux) LaMottePaleoceneDenver FormationUSAColoradoA maple. Moved from Negundo decurrens (1888)Acer (Negundo) fremontensisComb nov(Berry) LaMotteEoceneBridger FormationUSAWyomingA maple. Moved from Negundo fremontensis (1930)Acer negundifolium Comb nov(Dawson) LaMotteEocene(Ypresian)Eocene Okanagan HighlandsStump lakeCanadaBritish ColumbiaA possible maple. Moved from Acerites negundifolium (1891)Acer orbum Sp nom novLaMotteEoceneIone FormationUSACaliforniaA maple. New name for Acer aequidentatum maple fossils A. aequidentatum type fossils moved to Platanus appendiculataAcer (Negundo) trilobaComb nov(Newberry) LaMottePaleoceneFort Union FormationUSANorth DakotaA maple. Moved from Negundo triloba (1868)Acer tuckeriComb nov(Smith) LaMottePliocene"Hog Creek"USAIdahoA maple. Moved from Engdhardtia tuckeri (1938)Canarium leonis Comb nov(Cockerell) LaMotteEoceneIone FormationUSACalifornia true synonymy Juglans californica (1878) Canarium californicum (1941)A Canarium species. Moved from Juglans leonis (1908)Carya bartoni Comb nov(Ball) LaMotteEoceneUSATexasA hicory species. Moved from Hicoria bartoni (1931)Carya biacuminata Comb nov(Perkins) LaMotteEoceneBrandon lignitesUSAVermontA hicory species. Moved from Hicoria biacuminata (1904)Carya crescentia Comb nov(Knowlton) LaMottePaleoceneUSAWyomingA hickory species. Moved from Hicoria crescentia (1899)Carya culveri Comb nov(Knowlton) LaMottePaleoceneUSAWyomingA hickory species. Moved from Hicoria culveri (1899)Carya dawsoniComb novvalid(Berry) LaMotteEarly Eocene(Ypresian)Okanagan HighlandsChu Chua FormationCanadaBritish ColumbiaA hickory. Moved from Hicoria dawsoni (1962)Carya dentata Comb nov(Knowlton) LaMottePaleoceneUSAWyomingA hickory species. Moved from Hicoria culveri (1899)Carya jacksoniana Comb nov(Berry) LaMotteEoceneYegua FormationUSATexas true synonymy Carya olivaeformis (1859) Hicoria pecan (1915)A hickory species. Moved from Hicoria jacksoniana (1924)Carya juxtaporipites Comb nov(Berry) LaMotteEoceneYpresianGreen River FormationUSAColoradoA hickory species. Moved from Hicoria juxtaporipites (1933)Carya (?) oregoniana Comb nov(Knowlton) LaMotteEoceneClarno FormationUSAOregonA hickory species. Moved from Hicoria (?) oregoniana (1902)Carya orientalis Comb nov(Chaney) LaMotteOligoceneEagle Creek floraUSAOregonA hickory species. Moved from Hicoria orientalis (1920)Carya pretexana Comb nov(Berry) LaMottePlioceneCitronelle FormationUSAAlabamaA hickory species. Moved from Hicoria pretexana (1916)Carya princetoniana Comb nov(Cockerell) LaMotteEocenePriabonianFlorissant FormationUSAColoradoA hickory species. Moved from Hicoria princetoniana (1908)Carya rostrataformis Comb nov(Berry) LaMotteEoceneLagrange FormationUSATennesseeA hickory species. Moved from Hicoria rostrataformis (1924)Carya stanleyanumComb novvalid(Dawson) LaMotteEarly Eocene(Ypresian)Huntingdon FormationCanadaBritish ColumbiaA hickory. Moved from Hicoria dawsoni (1962) First named Dryophyllum stanleyanum (1895)Carya williamsi Comb nov(Chaney) LaMotteOligoceneEagle Creek floraUSAOregonA hickory species. Moved from Hicoria williamsi (1920)Celtis americana Comb nov(Berry) LaMotteEoceneMcBean FormationUSAGeorgiaMimosa americana (1919)A Celtis species. Moved from Momisia americana (1914)Cercidiphyllum piperoidesComb nov(Lesquereux) LaMotteEoceneIone FormationUSACalifornia true synonymy Ceanothus idahoensis (1935) Cercidiphyllum elongatum (1939) Populus smilacifolia (1920) Populus zaddachi (1878) Trochodendroides zaddacki (1935) Zizyphus californica (1919) Zizyphus microphyllus (Lesquereux) (1878)A katsura species. Moved from Zizyphus piperoides (1878) Moved to Tetracentron piperoides in 1977thumb|center|upright|Tetracentron piperoidesComptonia parvulaComb nov(Heer) LaMotteCretaceousPatoot bedsDenmarkGreenland true synonymy Myrica (Comptonia) parvifolia (1883) Comptonia microphylla (1906)A Comptonia species. Moved from Myrica (Comptonia) parvula (1916)Cupanites berryiSp nom novLaMotteEoceneBarnwell FormationUSAGeorgiaA sapindaceous Cupanites species. A new name for Cupanites nigricans (1918)Inga aliaSp nom novLaMotteMioceneCubaAn ice-cream-bean species A new species name for Inga miocenica (Berry, 1939) (1939)Liquidambar dubiaSp nom nov(Berry) LaMotteEoceneLagrange FormationUSAKentuckyA sweetgum species A replacement name for Liquidambar incerta (Berry, 1924) (1924)Macrolobium geminifoliaComb nov(MacGinitie) LaMotteEoceneIone FormationUSACaliforniaA Macrolobium species legume. Moved from Vouapa geminifolia (1941)Melastomites incertus Sp nom novLaMotteOligoceneCulebra FormationPanamaA melastome species A replacement name for Melastomites miconioides (Berry, 1919) (1919)Populus americanaComb nov(Lesquereux) LaMotteEocenePriabonianFlorissant FormationUSAColorado true synonymy Populus heerii (of Lesquereux 1883) Populus lesquereuxi (1906)A cottonwood species. Moved from Pterocarya americana (1874)Populus (?) paramonodonSp nom novLaMottePaleoceneUSANew MexicoA possible cottonwood species New name for referred "Populus monodon" fossils P. monodon type specimens moved to Ficus monodonPrunus gracilis (Lesquereux)Comb novJr homonym(Lesquereux) LaMotteEocenePribonianFlorissant FormationUSAColoradoQuercus neriifolia(of Lesquereux, 1883A possible cherry species Moved from Amygdalus gracilis (1883)Jr homonym of Prunus gracilis (Engelm. & A.Gray)Prunus wilcoxianaComb nov(Berry) LaMotteEoceneTallahatta FormationHolly Springs Sand MemberUSATennesseeA possible cherry species Moved from Amygdalus wilcoxiana (1930)Pyrus alvordensisComb nov(MacGinitie) LaMotteTrout Creek floraUSAOregonA possible mountain ash species Moved from Sorbus alvordensis (1933)Pyrus coronariafoliaComb nov(Berry) LaMottePleistoceneUSANorth CarolinaA possible apple species Moved from Malus coronariafolia (1907)Pyrus decorafoliaComb nov(Berry) LaMotteEocene(Ypresian)Okanagan HighlandsChu Chua FormationCanadaBritish ColumbiaA possible mountain ash species Moved from Sorbus decorafolia (1926)Pyrus diversifolia (Lesquereux)Comb novJr homonym(Lesquereux) LaMotteEocene(Priabonian)Florissant FormationUSAColorado true synonymy Crataegus acerifolia (Lesquereux) (1883) Crataegus lesquereuxi (1906) Onoclea reducta (1908)A possible mountain ash species Moved from Sorbus diversifolia (1918)First named Myrica diversifolia (1883)homonym of Pyrus diversifolia Bong.Pyrus grandifoliaComb nov(Heer) LaMottePaleoceneDenmarkGreenlandA possible mountain ash species Moved from Sorbus grandifolia (1869)Pyrus harneyensisComb nov(Axelrod) LaMottePlioceneUSAOregonA possible mountain ash species Moved from Sorbus harneyensis (1944)Pyrus idahoensisComb nov(Brown) LaMotteOligoceneSalmon floraUSAIdahoA possible apple species Moved from Malus idahoensis (1935)Pyrus megaphyllaComb nov(Cockerell) LaMotteEocenePriabonianFlorissant FormationUSAColoradoA possible mountain ash species Moved from Sorbus megaphylla (1908)Pyrus nuptaComb nov(Cockerell) LaMotteEocenePriabonianFlorissant FormationUSAColoradoMyrica diversifolia (1883) pro partA possible mountain ash species Moved from Sorbus nupta (1910)Pyrus pseudoangustifollaComb nov(Berry) LaMottePleistoceneUSANorth CarolinaA possible apple species Moved from Malus pseudoangustifolla (1910)Shepherdia weaveriComb nov(Hollick) LaMottePaleocene - Eocene"Kachemak Bay flora"USAAlaskaA possible buffaloberry species Moved from Lepargyraea weaveri (1936)Sphaeralcea (?) exhumatumComb nov(Cockerell) LaMotteEocenePriabonianFlorissant FormationUSAColoradoA possible globemallow species Moved from Malvastrum (?) exhumatum (1906)Ulmus chuchuanusSp nom novvalid(Berry) LaMotteEocene(Ypresian)Okanagan HighlandsChu Chua FormationCanadaBritish ColumbiaAn elm. New name for "Ulmus columbianus" Berry (1926)Junior homonym of "Ulmus columbiana" Penhallow (1907)thumb|center|upright|Ulmus chuchuanusXanthoxylum aliaSp nom novLaMotteMioceneCubaA possible Zanthoxylum species New name for Fagara miocenica Berry, 1939) (1939)F. miocenica a jr homonym of Fagara miocenica (Berry, 1925)Xanthoxylum apalachacolensisComb nov(Berry) LaMotteMioceneAlum Bluff FormationUSAFloridaA possible Zanthoxylum speciesMoved from Fagara apalachacolensis (1916)Xanthoxylum catahoulensisComb nov(Berry) LaMotteEoceneCatahoula FormationUSALouisianaA possible Zanthoxylum speciesMoved from Fagara catahoulensis (1916) 4 varieties also moved F. c. corlacea, F. c. elongata, F. c. major, & F. c. orbiculata Xanthoxyium claibornensisComb nov(Berry) LaMotteEoceneMount Selman FormationUSATexasA possible Zanthoxylum speciesMoved from Fagara claibornensis (1924)Xanthoxyium (?) delicatulaComb nov(Cockerell) LaMotteEocenePriabonianFlorissant FormationUSAColoradoA possible Zanthoxylum speciesMoved from Fagara (?) delicatula (1908)Xanthoxylum dubiumComb novnomen nudum(Lesquereux) LaMottePaleoceneRaton FormationUSANew MexicoA possible Zanthoxylum speciesMoved from Zanthoxylum dubium (1872) Considered nomen nudum by LaMotteXanthoxylum eocenicaComb nov(Berry) LaMotteEoceneLagrange FormationUSATennesseeA possible Zanthoxylum speciesMoved from Fagara eocenica (1916) Xanthoxylum juglandianumComb nov(Braun) LaMotte"Tertiary"EuropeA possible Zanthoxylum speciesMoved from Zanthoxylum juglandianum (1878) Xanthoxylum miocenicaComb nov(Berry) LaMotteMioceneForest Sand FormationTrinidadA possible Zanthoxylum speciesMoved from Fagara miocenica (1925) Xanthroxylum petraflumensisComb nov(Berry) LaMotteEoceneYegua FormationUSATexasA possible Zanthoxylum speciesMoved from Fagara petraflumensis (1924) Xanthoxylum puryearensisComb nov(Berry) LaMotteEoceneLagrange FormationUSATennesseeA possible Zanthoxylum speciesMoved from Fagara eocenica (1916) Xanthoxyium spireaefoliaComb nov(Lesquereux) LaMotteEocenePriabonianFlorissant FormationUSAColoradoA possible Zanthoxylum speciesMoved from Fagara spireaefolia (1908) First named Zanthoxylum spireaefolium (1883)Xanthoxylum wadiiComb nov(Berry) LaMotteMioceneMexicoOaxacaA possible Zanthoxylum speciesMoved from Fagara wadii (1923) Xanthoxylum wyomingensisComb nov(Berry) LaMotteEoceneBridger FormationUSAWyomingA possible Zanthoxylum speciesMoved from Fagara wyomingensis (1930) Other angiosperms Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesCarpites interglacialisComb nov(Hollick) LaMotteMioceneSt. Eugene SiltsCanadaBritish Columbia true synonymy Carpites menthoides (1926) Carpolithes sp. (1937) Equisetum sp. (underground stem) (1926) Malva (?) hesperia (1928) Phyllites amplexicaulis (1926)A fruit/seed species of uncertain affinity. Moved from Ficus interglacalis (1928) General research Robert LaMotte publishes the Catalogue of the Cenozoic plants of North America through 1950, with numerous nomenclatural updates and corrections. References Category:1952 in paleontology Category:Paleobotany